package com.qpl.depression.service;

import com.qpl.depression.entity.Book;
import com.baomidou.mybatisplus.extension.service.IService;

/**
 * <p>
 * 服务类
 * </p>
 *
 * @author qpl
 * @since 2021-04-20
 */
public interface BookService extends IService<Book> {
    /**
     * 查询一个书籍推荐到首页
     *
     * @return 书籍信息
     */
    Book selectOne();
}
